… haze event occurred in the YRD during 1–10 December 2013, known as one historic severe
event … This paper performs a detailed analysis of this serious haze event and gives insights …

… Air quality is significantly influenced by the synoptic, … synoptic flow patterns and low visibility
events of haze and fog over the North China Plain (NCP), and the contribution of synoptic …

… studies on haze in the … synoptic few focused on the entire process of haze pollutions. As a
result, it would be meaningful to investigate the formation and evolution of regional haze events…

… most of the days during both haze events. These haze events commonly have cold surges
as the background synoptic feature to initiate or trigger haze evolution. A cold surge reached …

… 10), is another evidence of elevated secondary formations of sulfate and nitrate during
severe haze events. Both gas-phase and heterogeneous reactions could contribute to the …

… In January 2013, a severe fog and haze event (FHE) of strong intensity… haze concentrating
in eastern China. The reduction of the vertical shear of horizontal winds weakens the synoptic …

… Therefore, under persistent unfavorable synoptic situations, widespread haze with extremely
… demonstrated the significantly important role of the synoptic situation in the haze formation. …

… haze happening. So for regional haze weather, it is given priority to the ground field situation.
It … In the 174 regional haze events, the uniform pressure field in the high pressure front type …

… to haze formation. The effect of persistent synoptic circulation (PSC) on long‐term variation in
haze … This study identified and analyzed PSC similarity and its influence on haze during the …

… The synoptic situations have the dominant role in heavy haze formation in the basin. …
conditions in the haze formation in the basin. Several studies have shown that the haze event in Xi'…